package com.zjp.attendance.server;

import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.HttpContentCompressor;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.codec.http.HttpResponseEncoder;
import io.netty.handler.ssl.SslContext;

public class ServerHandlerInit extends ChannelInitializer<SocketChannel> {

    private final SslContext sslCtx;

    public ServerHandlerInit(SslContext sslCtx) {
        this.sslCtx = sslCtx;
    }

    @Override
    protected void initChannel(SocketChannel ch) {
        ChannelPipeline ph = ch.pipeline();
        if (sslCtx != null) {
            ph.addLast(sslCtx.newHandler(ch.alloc()));
        }
        /*把应答报文 编码*/
        ph.addLast("encoder", new HttpResponseEncoder());
        /*把请求报文 解码*/
        ph.addLast("decoder", new HttpRequestDecoder());

        /*聚合http为一个完整的报文*/
        ph.addLast("aggregator", new HttpObjectAggregator(10 * 1024 * 1024));
        /*把应答报文 压缩,非必要*/
        ph.addLast("compressor", new HttpContentCompressor());
        ph.addLast(new NettyServerHandler());

    }
}
